MySqlIntervalUnit unit = MySqlIntervalUnit.valueOf(unitVal);
lexer.nextToken();
accept(Token.FROM);
SQLExpr value = expr();
MySqlExtractExpr extract = new MySqlExtractExpr();
extract.setValue(value);
extract.setUnit(unit);
accept(Token.RPAREN);
expr = extract;
return primaryRest(expr);
} else if ("SUBSTRING".equalsIgnoreCase(ident)) {
lexer.nextToken();
SQLMethodInvokeExpr methodInvokeExpr = new SQLMethodInvokeExpr(ident);
for (;;) {
SQLExpr param = expr();
methodInvokeExpr.getParameters().add(param);
if (lexer.token() == Token.COMMA) {
lexer.nextToken();
continue;
} else if (lexer.token() == Token.FROM) {
lexer.nextToken();
SQLExpr from = expr();
methodInvokeExpr.putAttribute("FROM", from);
if (lexer.token() == Token.FOR) {
lexer.nextToken();
SQLExpr _for = expr();
methodInvokeExpr.putAttribute("FOR", _for);
}
break;
} else if (lexer.token() == Token.RPAREN) {
break;
} else {
throw new ParserException("syntax error");
}
}
accept(Token.RPAREN);
expr = methodInvokeExpr;
return primaryRest(expr);
} else if ("TRIM".equalsIgnoreCase(ident)) {
lexer.nextToken();
SQLMethodInvokeExpr methodInvokeExpr = new SQLMethodInvokeExpr(ident);
if (lexer.token() == Token.IDENTIFIER) {
String flagVal = lexer.stringVal();
if ("LEADING".equalsIgnoreCase(flagVal)) {
lexer.nextToken();
methodInvokeExpr.getAttributes().put("TRIM_TYPE", "LEADING");
} else if ("BOTH".equalsIgnoreCase(flagVal)) {
lexer.nextToken();
methodInvokeExpr.getAttributes().put("TRIM_TYPE", "BOTH");
} else if ("TRAILING".equalsIgnoreCase(flagVal)) {
lexer.nextToken();
methodInvokeExpr.putAttribute("TRIM_TYPE", "TRAILING");
}
}
SQLExpr param = expr();
methodInvokeExpr.getParameters().add(param);
if (lexer.token() == Token.FROM) {
lexer.nextToken();
SQLExpr from = expr();
methodInvokeExpr.putAttribute("FROM", from);
}
accept(Token.RPAREN);
expr = methodInvokeExpr;
return primaryRest(expr);
} else if ("MATCH".equalsIgnoreCase(ident)) {
lexer.nextToken();
MySqlMatchAgainstExpr matchAgainstExpr = new MySqlMatchAgainstExpr();
if (lexer.token() == Token.RPAREN) {
lexer.nextToken();
} else {
exprList(matchAgainstExpr.getColumns());
accept(Token.RPAREN);
}
acceptIdentifier("AGAINST");
accept(Token.LPAREN);
SQLExpr against = primary();
matchAgainstExpr.setAgainst(against);
if (lexer.token() == Token.IN) {
lexer.nextToken();
if (identifierEquals("NATURAL")) {